this post was submitted on 01 Apr 2026
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Mildly Interesting

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Japanese monks and emperors kept meticulous records of cherry blossom festivals for 1,200 years. They accidentally built the world's longest climate dataset (cdn.bsky.app)
submitted 5 days ago* (last edited 5 days ago) by Valnao@sh.itjust.works to c/mildlyinteresting@lemmy.world
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[–] teyrnon@sh.itjust.works 6 points 5 days ago (1 children)

Idk, egyptian priests kept records of the groundwater levels to predict the nile flood times to keep the peasants in check, and that could count as a climate dataset that far predates and is longer than this.

[–] sukhmel@programming.dev 4 points 4 days ago (1 children)

Do floods correlate well with the climate there, or are they affected by something else, too? If they are not much affected, then that could be a dataset indeed

[–] teyrnon@sh.itjust.works 1 points 4 days ago

Indeed they could, any core sample of the earth could, and long has, been a record of climatic conditions.